main.c revision 1.4
1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 static char copyright[] = 36 "@(#) Copyright (c) 1983, 1993\n\ 37 The Regents of the University of California. All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 /* from: static char sccsid[] = "@(#)main.c 8.1 (Berkeley) 6/9/93"; */ 42 static char *rcsid = "$Id: main.c,v 1.4 1994/03/07 05:05:35 cgd Exp $"; 43 #endif /* not lint */ 44 45 #include "defs.h" 46 47 #define NHOSTS 100 48 49 /* 50 * Remote distribution program. 51 */ 52 53 char *distfile = NULL; 54 #define _RDIST_TMP "/rdistXXXXXX" 55 char tempfile[sizeof _PATH_TMP + sizeof _RDIST_TMP + 1]; 56 char *tempname; 57 58 int debug; /* debugging flag */ 59 int nflag; /* NOP flag, just print commands without executing */ 60 int qflag; /* Quiet. Don't print messages */ 61 int options; /* global options */ 62 int iamremote; /* act as remote server for transfering files */ 63 64 FILE *fin = NULL; /* input file pointer */ 65 int rem = -1; /* file descriptor to remote source/sink process */ 66 char host[32]; /* host name */ 67 int nerrs; /* number of errors while sending/receiving */ 68 char user[10]; /* user's name */ 69 char homedir[128]; /* user's home directory */ 70 int userid; /* user's user ID */ 71 int groupid; /* user's group ID */ 72 73 struct passwd *pw; /* pointer to static area used by getpwent */ 74 struct group *gr; /* pointer to static area used by getgrent */ 75 76 static void usage __P((void)); 77 static void docmdargs __P((int, char *[])); 78 79 int 80 main(argc, argv) 81 int argc; 82 char *argv[]; 83 { 84 register char *arg; 85 int cmdargs = 0; 86 char *dhosts[NHOSTS], **hp = dhosts; 87 88 pw = getpwuid(userid = getuid()); 89 if (pw == NULL) { 90 fprintf(stderr, "%s: Who are you?\n", argv[0]); 91 exit(1); 92 } 93 strcpy(user, pw->pw_name); 94 strcpy(homedir, pw->pw_dir); 95 groupid = pw->pw_gid; 96 gethostname(host, sizeof(host)); 97 strcpy(tempfile, _PATH_TMP); 98 strcat(tempfile, _RDIST_TMP); 99 if ((tempname = rindex(tempfile, '/')) != 0) 100 tempname++; 101 else 102 tempname = tempfile; 103 104 while (--argc > 0) { 105 if ((arg = *++argv)[0] != '-') 106 break; 107 if (!strcmp(arg, "-Server")) 108 iamremote++; 109 else while (*++arg) 110 switch (*arg) { 111 case 'f': 112 if (--argc <= 0) 113 usage(); 114 distfile = *++argv; 115 if (distfile[0] == '-' && distfile[1] == '\0') 116 fin = stdin; 117 break; 118 119 case 'm': 120 if (--argc <= 0) 121 usage(); 122 if (hp >= &dhosts[NHOSTS-2]) { 123 fprintf(stderr, "rdist: too many destination hosts\n"); 124 exit(1); 125 } 126 *hp++ = *++argv; 127 break; 128 129 case 'd': 130 if (--argc <= 0) 131 usage(); 132 define(*++argv); 133 break; 134 135 case 'D': 136 debug++; 137 break; 138 139 case 'c': 140 cmdargs++; 141 break; 142 143 case 'n': 144 if (options & VERIFY) { 145 printf("rdist: -n overrides -v\n"); 146 options &= ~VERIFY; 147 } 148 nflag++; 149 break; 150 151 case 'q': 152 qflag++; 153 break; 154 155 case 'b': 156 options |= COMPARE; 157 break; 158 159 case 'R': 160 options |= REMOVE; 161 break; 162 163 case 'v': 164 if (nflag) { 165 printf("rdist: -n overrides -v\n"); 166 break; 167 } 168 options |= VERIFY; 169 break; 170 171 case 'w': 172 options |= WHOLE; 173 break; 174 175 case 'y': 176 options |= YOUNGER; 177 break; 178 179 case 'h': 180 options |= FOLLOW; 181 break; 182 183 case 'i': 184 options |= IGNLNKS; 185 break; 186 187 default: 188 usage(); 189 } 190 } 191 *hp = NULL; 192 193 seteuid(userid); 194 mktemp(tempfile); 195 196 if (iamremote) { 197 server(); 198 exit(nerrs != 0); 199 } 200 201 if (cmdargs) 202 docmdargs(argc, argv); 203 else { 204 if (fin == NULL) { 205 if(distfile == NULL) { 206 if((fin = fopen("distfile","r")) == NULL) 207 fin = fopen("Distfile", "r"); 208 } else 209 fin = fopen(distfile, "r"); 210 if(fin == NULL) { 211 perror(distfile ? distfile : "distfile"); 212 exit(1); 213 } 214 } 215 yyparse(); 216 if (nerrs == 0) 217 docmds(dhosts, argc, argv); 218 } 219 220 exit(nerrs != 0); 221 } 222 223 static void 224 usage() 225 { 226 printf("Usage: rdist [-nqbhirvwyD] [-f distfile] [-d var=value] [-m host] [file ...]\n"); 227 printf("or: rdist [-nqbhirvwyD] -c source [...] machine[:dest]\n"); 228 exit(1); 229 } 230 231 /* 232 * rcp like interface for distributing files. 233 */ 234 static void 235 docmdargs(nargs, args) 236 int nargs; 237 char *args[]; 238 { 239 register struct namelist *nl, *prev; 240 register char *cp; 241 struct namelist *files, *hosts; 242 struct subcmd *cmds; 243 char *dest; 244 static struct namelist tnl = { NULL, NULL }; 245 int i; 246 247 if (nargs < 2) 248 usage(); 249 250 prev = NULL; 251 for (i = 0; i < nargs - 1; i++) { 252 nl = makenl(args[i]); 253 if (prev == NULL) 254 files = prev = nl; 255 else { 256 prev->n_next = nl; 257 prev = nl; 258 } 259 } 260 261 cp = args[i]; 262 if ((dest = index(cp, ':')) != NULL) 263 *dest++ = '\0'; 264 tnl.n_name = cp; 265 hosts = expand(&tnl, E_ALL); 266 if (nerrs) 267 exit(1); 268 269 if (dest == NULL || *dest == '\0') 270 cmds = NULL; 271 else { 272 cmds = makesubcmd(INSTALL); 273 cmds->sc_options = options; 274 cmds->sc_name = dest; 275 } 276 277 if (debug) { 278 printf("docmdargs()\nfiles = "); 279 prnames(files); 280 printf("hosts = "); 281 prnames(hosts); 282 } 283 insert(NULL, files, hosts, cmds); 284 docmds(NULL, 0, NULL); 285 } 286 287 /* 288 * Print a list of NAME blocks (mostly for debugging). 289 */ 290 void 291 prnames(nl) 292 register struct namelist *nl; 293 { 294 printf("( "); 295 while (nl != NULL) { 296 printf("%s ", nl->n_name); 297 nl = nl->n_next; 298 } 299 printf(")\n"); 300 } 301 302 #if __STDC__ 303 #include <stdarg.h> 304 #else 305 #include <varargs.h> 306 #endif 307 308 void 309 #if __STDC__ 310 warn(const char *fmt, ...) 311 #else 312 warn(fmt, va_alist) 313 char *fmt; 314 va_dcl 315 #endif 316 { 317 extern int yylineno; 318 va_list ap; 319 #if __STDC__ 320 va_start(ap, fmt); 321 #else 322 va_start(ap); 323 #endif 324 (void)fprintf(stderr, "rdist: line %d: Warning: ", yylineno); 325 (void)vfprintf(stderr, fmt, ap); 326 (void)fprintf(stderr, "\n"); 327 va_end(ap); 328 } 329
Indexes created Wed Oct 22 06:10:02 GMT 2025